package com.ruoyi.framework.web.service;

import com.ruoyi.common.constant.SysUserCodeConstants;
import com.ruoyi.common.cont.user.UserConst;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.enums.UserStatus;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.system.service.ISysUserService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

/**
 * 用户验证处理
 *
 * @author ruoyi
 */
@Service
public class UserDetailsServiceImpl implements UserDetailsService
{
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    @Autowired
    private ISysUserService userService;

    @Resource(name = "sysPasswordService")
    private SysPasswordService passwordService;

    @Autowired
    private SysPermissionService permissionService;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException
    {
        SysUser user = userService.selectUserByUserName(username);
        if (StringUtils.isNull(user)) {
            log.info("登录用户：{} 不存在.", username);
            throw new ServiceException("登录用户：" + username + " 不存在");
        } else if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            log.info("登录用户：{} 已被删除.", username);
            throw new ServiceException("对不起，您的账号：" + username + " 已被删除");
        } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            log.info("登录用户：{} 已被停用.", username);
            throw new ServiceException("对不起，您的账号：" + username + " 已停用");
        } else if (SysUserCodeConstants.UserCode.ENTERPRISE.getCode().equals(user.getTypeCode())) {
            if (!UserConst.UserType.OPEN.getCode().equals(user.getUserType())) {
                //只统计 已通过状态status=2的学员
                int num = userService.countStudent(user.getUserId());
                if (num <= 0) {
                    log.info("登录企业用户：{} 未分配学员.", username);
                    throw new ServiceException("对不起，您的账号：" + username + " 无培训学员");
                }
            }
        }
        //关联角色
        //校验密码。错误锁定
        passwordService.validate(user);

        return createLoginUser(user);
    }

    public UserDetails createLoginUser(SysUser user)
    {
        return new LoginUser(user.getUserId(), user.getDeptId(), user,
                permissionService.getMenuPermission(user),
                permissionService.getRolePermission(user),
                user.getTypeCode());
    }
}
